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  1. Thomas Prescher Perpetual Calendar QP 1

    2009
    THOMAS PRESCHER –The Inventor of the flying Triple Axis Tourbillon presents PERPETUAL CALENDAR QP 1 Designed by Oliver Schärer Thomas Prescher has asked several designer to present their ideas of the design of his Perpetual Calender “QP1”. We would be happy to receive you in Basel...
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